Commit dcb3c20f authored by Trond Myklebust's avatar Trond Myklebust Committed by Anna Schumaker
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NFSv4: Add a capability for delegated attributes 



Cache whether or not the server may have support for delegated
attributes in a capability flag.

Signed-off-by: default avatarTrond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: default avatarLance Shelton <lance.shelton@hammerspace.com>
Reviewed-by: default avatarJeff Layton <jlayton@kernel.org>
Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: default avatarAnna Schumaker <Anna.Schumaker@Netapp.com>
parent 86e1c54d

fs/nfs/nfs4proc.c

+2 −0
Original line number Diff line number Diff line
@@ -3930,6 +3930,8 @@ static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *f 
#endif

		if (res.attr_bitmask[0] & FATTR4_WORD0_FS_LOCATIONS)

			server->caps |= NFS_CAP_FS_LOCATIONS;

		if (res.attr_bitmask[2] & FATTR4_WORD2_TIME_DELEG_MODIFY)

			server->caps |= NFS_CAP_DELEGTIME;

		if (!(res.attr_bitmask[0] & FATTR4_WORD0_FILEID))

			server->fattr_valid &= ~NFS_ATTR_FATTR_FILEID;

		if (!(res.attr_bitmask[1] & FATTR4_WORD1_MODE))

include/linux/nfs_fs_sb.h

+1 −0
Original line number Diff line number Diff line
@@ -278,6 +278,7 @@ struct nfs_server { 
#define NFS_CAP_LGOPEN		(1U << 5)

#define NFS_CAP_CASE_INSENSITIVE	(1U << 6)

#define NFS_CAP_CASE_PRESERVING	(1U << 7)

#define NFS_CAP_DELEGTIME	(1U << 13)

#define NFS_CAP_POSIX_LOCK	(1U << 14)

#define NFS_CAP_UIDGID_NOMAP	(1U << 15)

#define NFS_CAP_STATEID_NFSV41	(1U << 16)